<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片式图 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
             <el-input placeholder="请输入内容" v-model="queryInfo.query" 
             class="input-with-select" clearable @clear="getGoodsList">
                <el-button slot="append" icon="el-icon-search"
                @click="getGoodsList"></el-button>
            </el-input></el-col>
            <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button></el-col>
        </el-row>
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index" label="-"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
            <el-table-column label="商品价格(元)" prop="goods_price" width="90px"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
            <el-table-column label="创建时间" prop="add_time" width="170px">
                <template slot-scope="scope">
                    {{scope.row.add_time | dateFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作" width="130px">
                <template slot-scope="scope">
                    <el-button type="primary"
                    icon="el-icon-edit" size="mini"></el-button>
                    <el-button type="danger"
                    icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
         <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 20, 30]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
            </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: '',
  data () {
    return {
        // 查询参数对象
        queryInfo:{
            query:'',
            pagenum:1,
            pagesize:10
        },
        // 商品列表
        goodslist:[],
        total:0,

    };
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取商品列表
    async getGoodsList(){
        const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
        if(res.meta.status !== 200) return this.$message.error('获取商品列表失败')
        console.log(res.data)
        this.goodslist = res.data.goods
        this.total = res.data.total
    },
    handleSizeChange(newsize){
        this.queryInfo.pagesize = newsize
        this.getGoodsList()
    },
    handleCurrentChange(newnum){
        this.queryInfo.pagenum = newnum
        this.getGoodsList()
    },
    async removeById(id){
        const confirmResult = await this.$confirm('确认删除此商品吗?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            // 确认返回值为字符串 confirm
            // 取消返回字符串 cancel
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            const {data:res} = await this.$http.delete('goods/'+id)
            if(res.meta.status !== 200) this.$message.error('删除商品失败')
            this.$message.success('删除商品成功')
            this.getGoodsList()
    },
    goAddpage(){
        this.$router.push('/goods/add')
    }

  },

}

</script>
<style lang='less' scoped>
</style>